Home / 389,370.22-584,089.35-108,888.28

Finding the Fourth Proportional to 389,370.22, 584,089.35 and 108,888.28

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Solution

The fourth proportional to 389,370.22, 584,089.35 and 108,888.28 is: 163,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,370.22 : 584,089.35 = 108,888.28 : x
  2. Step 2: Convert to fraction form
    389,370.22/584,089.35 = 108,888.28/x
  3. Step 3: Cross multiply
    389,370.22x = 584,089.35 × 108,888.28
  4. Step 4: Simplify right side
    389,370.22x = 63,600,482,819.26
  5. Step 5: Solve for x
    x = 63,600,482,819.26/389,370.22
  6. Step 6: Final answer
    x = 163,341.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.